ar5008_phy.c 46 KB

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  1. /*
  2. * Copyright (c) 2008-2010 Atheros Communications Inc.
  3. *
  4. * Permission to use, copy, modify, and/or distribute this software for any
  5. * purpose with or without fee is hereby granted, provided that the above
  6. * copyright notice and this permission notice appear in all copies.
  7. *
  8. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9. * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10. * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11. * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12. * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13. * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14. * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15. */
  16. #include "hw.h"
  17. #include "hw-ops.h"
  18. #include "../regd.h"
  19. #include "ar9002_phy.h"
  20. /* All code below is for AR5008, AR9001, AR9002 */
  21. static const int firstep_table[] =
  22. /* level: 0 1 2 3 4 5 6 7 8 */
  23. { -4, -2, 0, 2, 4, 6, 8, 10, 12 }; /* lvl 0-8, default 2 */
  24. static const int cycpwrThr1_table[] =
  25. /* level: 0 1 2 3 4 5 6 7 8 */
  26. { -6, -4, -2, 0, 2, 4, 6, 8 }; /* lvl 0-7, default 3 */
  27. /*
  28. * register values to turn OFDM weak signal detection OFF
  29. */
  30. static const int m1ThreshLow_off = 127;
  31. static const int m2ThreshLow_off = 127;
  32. static const int m1Thresh_off = 127;
  33. static const int m2Thresh_off = 127;
  34. static const int m2CountThr_off = 31;
  35. static const int m2CountThrLow_off = 63;
  36. static const int m1ThreshLowExt_off = 127;
  37. static const int m2ThreshLowExt_off = 127;
  38. static const int m1ThreshExt_off = 127;
  39. static const int m2ThreshExt_off = 127;
  40. /**
  41. * ar5008_hw_phy_modify_rx_buffer() - perform analog swizzling of parameters
  42. * @rfbuf:
  43. * @reg32:
  44. * @numBits:
  45. * @firstBit:
  46. * @column:
  47. *
  48. * Performs analog "swizzling" of parameters into their location.
  49. * Used on external AR2133/AR5133 radios.
  50. */
  51. static void ar5008_hw_phy_modify_rx_buffer(u32 *rfBuf, u32 reg32,
  52. u32 numBits, u32 firstBit,
  53. u32 column)
  54. {
  55. u32 tmp32, mask, arrayEntry, lastBit;
  56. int32_t bitPosition, bitsLeft;
  57. tmp32 = ath9k_hw_reverse_bits(reg32, numBits);
  58. arrayEntry = (firstBit - 1) / 8;
  59. bitPosition = (firstBit - 1) % 8;
  60. bitsLeft = numBits;
  61. while (bitsLeft > 0) {
  62. lastBit = (bitPosition + bitsLeft > 8) ?
  63. 8 : bitPosition + bitsLeft;
  64. mask = (((1 << lastBit) - 1) ^ ((1 << bitPosition) - 1)) <<
  65. (column * 8);
  66. rfBuf[arrayEntry] &= ~mask;
  67. rfBuf[arrayEntry] |= ((tmp32 << bitPosition) <<
  68. (column * 8)) & mask;
  69. bitsLeft -= 8 - bitPosition;
  70. tmp32 = tmp32 >> (8 - bitPosition);
  71. bitPosition = 0;
  72. arrayEntry++;
  73. }
  74. }
  75. /*
  76. * Fix on 2.4 GHz band for orientation sensitivity issue by increasing
  77. * rf_pwd_icsyndiv.
  78. *
  79. * Theoretical Rules:
  80. * if 2 GHz band
  81. * if forceBiasAuto
  82. * if synth_freq < 2412
  83. * bias = 0
  84. * else if 2412 <= synth_freq <= 2422
  85. * bias = 1
  86. * else // synth_freq > 2422
  87. * bias = 2
  88. * else if forceBias > 0
  89. * bias = forceBias & 7
  90. * else
  91. * no change, use value from ini file
  92. * else
  93. * no change, invalid band
  94. *
  95. * 1st Mod:
  96. * 2422 also uses value of 2
  97. * <approved>
  98. *
  99. * 2nd Mod:
  100. * Less than 2412 uses value of 0, 2412 and above uses value of 2
  101. */
  102. static void ar5008_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
  103. {
  104. struct ath_common *common = ath9k_hw_common(ah);
  105. u32 tmp_reg;
  106. int reg_writes = 0;
  107. u32 new_bias = 0;
  108. if (!AR_SREV_5416(ah) || synth_freq >= 3000)
  109. return;
  110. BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
  111. if (synth_freq < 2412)
  112. new_bias = 0;
  113. else if (synth_freq < 2422)
  114. new_bias = 1;
  115. else
  116. new_bias = 2;
  117. /* pre-reverse this field */
  118. tmp_reg = ath9k_hw_reverse_bits(new_bias, 3);
  119. ath_dbg(common, ATH_DBG_CONFIG, "Force rf_pwd_icsyndiv to %1d on %4d\n",
  120. new_bias, synth_freq);
  121. /* swizzle rf_pwd_icsyndiv */
  122. ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data, tmp_reg, 3, 181, 3);
  123. /* write Bank 6 with new params */
  124. REG_WRITE_RF_ARRAY(&ah->iniBank6, ah->analogBank6Data, reg_writes);
  125. }
  126. /**
  127. * ar5008_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  128. * @ah: atheros hardware stucture
  129. * @chan:
  130. *
  131. * For the external AR2133/AR5133 radios, takes the MHz channel value and set
  132. * the channel value. Assumes writes enabled to analog bus and bank6 register
  133. * cache in ah->analogBank6Data.
  134. */
  135. static int ar5008_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
  136. {
  137. struct ath_common *common = ath9k_hw_common(ah);
  138. u32 channelSel = 0;
  139. u32 bModeSynth = 0;
  140. u32 aModeRefSel = 0;
  141. u32 reg32 = 0;
  142. u16 freq;
  143. struct chan_centers centers;
  144. ath9k_hw_get_channel_centers(ah, chan, &centers);
  145. freq = centers.synth_center;
  146. if (freq < 4800) {
  147. u32 txctl;
  148. if (((freq - 2192) % 5) == 0) {
  149. channelSel = ((freq - 672) * 2 - 3040) / 10;
  150. bModeSynth = 0;
  151. } else if (((freq - 2224) % 5) == 0) {
  152. channelSel = ((freq - 704) * 2 - 3040) / 10;
  153. bModeSynth = 1;
  154. } else {
  155. ath_err(common, "Invalid channel %u MHz\n", freq);
  156. return -EINVAL;
  157. }
  158. channelSel = (channelSel << 2) & 0xff;
  159. channelSel = ath9k_hw_reverse_bits(channelSel, 8);
  160. txctl = REG_READ(ah, AR_PHY_CCK_TX_CTRL);
  161. if (freq == 2484) {
  162. REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
  163. txctl | AR_PHY_CCK_TX_CTRL_JAPAN);
  164. } else {
  165. REG_WRITE(ah, AR_PHY_CCK_TX_CTRL,
  166. txctl & ~AR_PHY_CCK_TX_CTRL_JAPAN);
  167. }
  168. } else if ((freq % 20) == 0 && freq >= 5120) {
  169. channelSel =
  170. ath9k_hw_reverse_bits(((freq - 4800) / 20 << 2), 8);
  171. aModeRefSel = ath9k_hw_reverse_bits(1, 2);
  172. } else if ((freq % 10) == 0) {
  173. channelSel =
  174. ath9k_hw_reverse_bits(((freq - 4800) / 10 << 1), 8);
  175. if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
  176. aModeRefSel = ath9k_hw_reverse_bits(2, 2);
  177. else
  178. aModeRefSel = ath9k_hw_reverse_bits(1, 2);
  179. } else if ((freq % 5) == 0) {
  180. channelSel = ath9k_hw_reverse_bits((freq - 4800) / 5, 8);
  181. aModeRefSel = ath9k_hw_reverse_bits(1, 2);
  182. } else {
  183. ath_err(common, "Invalid channel %u MHz\n", freq);
  184. return -EINVAL;
  185. }
  186. ar5008_hw_force_bias(ah, freq);
  187. reg32 =
  188. (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
  189. (1 << 5) | 0x1;
  190. REG_WRITE(ah, AR_PHY(0x37), reg32);
  191. ah->curchan = chan;
  192. ah->curchan_rad_index = -1;
  193. return 0;
  194. }
  195. /**
  196. * ar5008_hw_spur_mitigate - convert baseband spur frequency for external radios
  197. * @ah: atheros hardware structure
  198. * @chan:
  199. *
  200. * For non single-chip solutions. Converts to baseband spur frequency given the
  201. * input channel frequency and compute register settings below.
  202. */
  203. static void ar5008_hw_spur_mitigate(struct ath_hw *ah,
  204. struct ath9k_channel *chan)
  205. {
  206. int bb_spur = AR_NO_SPUR;
  207. int bin, cur_bin;
  208. int spur_freq_sd;
  209. int spur_delta_phase;
  210. int denominator;
  211. int upper, lower, cur_vit_mask;
  212. int tmp, new;
  213. int i;
  214. static int pilot_mask_reg[4] = {
  215. AR_PHY_TIMING7, AR_PHY_TIMING8,
  216. AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60
  217. };
  218. static int chan_mask_reg[4] = {
  219. AR_PHY_TIMING9, AR_PHY_TIMING10,
  220. AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60
  221. };
  222. static int inc[4] = { 0, 100, 0, 0 };
  223. int8_t mask_m[123];
  224. int8_t mask_p[123];
  225. int8_t mask_amt;
  226. int tmp_mask;
  227. int cur_bb_spur;
  228. bool is2GHz = IS_CHAN_2GHZ(chan);
  229. memset(&mask_m, 0, sizeof(int8_t) * 123);
  230. memset(&mask_p, 0, sizeof(int8_t) * 123);
  231. for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
  232. cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz);
  233. if (AR_NO_SPUR == cur_bb_spur)
  234. break;
  235. cur_bb_spur = cur_bb_spur - (chan->channel * 10);
  236. if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
  237. bb_spur = cur_bb_spur;
  238. break;
  239. }
  240. }
  241. if (AR_NO_SPUR == bb_spur)
  242. return;
  243. bin = bb_spur * 32;
  244. tmp = REG_READ(ah, AR_PHY_TIMING_CTRL4(0));
  245. new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
  246. AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
  247. AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
  248. AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
  249. REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), new);
  250. new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
  251. AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
  252. AR_PHY_SPUR_REG_MASK_RATE_SELECT |
  253. AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
  254. SM(SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
  255. REG_WRITE(ah, AR_PHY_SPUR_REG, new);
  256. spur_delta_phase = ((bb_spur * 524288) / 100) &
  257. AR_PHY_TIMING11_SPUR_DELTA_PHASE;
  258. denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
  259. spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
  260. new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
  261. SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
  262. SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
  263. REG_WRITE(ah, AR_PHY_TIMING11, new);
  264. cur_bin = -6000;
  265. upper = bin + 100;
  266. lower = bin - 100;
  267. for (i = 0; i < 4; i++) {
  268. int pilot_mask = 0;
  269. int chan_mask = 0;
  270. int bp = 0;
  271. for (bp = 0; bp < 30; bp++) {
  272. if ((cur_bin > lower) && (cur_bin < upper)) {
  273. pilot_mask = pilot_mask | 0x1 << bp;
  274. chan_mask = chan_mask | 0x1 << bp;
  275. }
  276. cur_bin += 100;
  277. }
  278. cur_bin += inc[i];
  279. REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
  280. REG_WRITE(ah, chan_mask_reg[i], chan_mask);
  281. }
  282. cur_vit_mask = 6100;
  283. upper = bin + 120;
  284. lower = bin - 120;
  285. for (i = 0; i < 123; i++) {
  286. if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
  287. /* workaround for gcc bug #37014 */
  288. volatile int tmp_v = abs(cur_vit_mask - bin);
  289. if (tmp_v < 75)
  290. mask_amt = 1;
  291. else
  292. mask_amt = 0;
  293. if (cur_vit_mask < 0)
  294. mask_m[abs(cur_vit_mask / 100)] = mask_amt;
  295. else
  296. mask_p[cur_vit_mask / 100] = mask_amt;
  297. }
  298. cur_vit_mask -= 100;
  299. }
  300. tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
  301. | (mask_m[48] << 26) | (mask_m[49] << 24)
  302. | (mask_m[50] << 22) | (mask_m[51] << 20)
  303. | (mask_m[52] << 18) | (mask_m[53] << 16)
  304. | (mask_m[54] << 14) | (mask_m[55] << 12)
  305. | (mask_m[56] << 10) | (mask_m[57] << 8)
  306. | (mask_m[58] << 6) | (mask_m[59] << 4)
  307. | (mask_m[60] << 2) | (mask_m[61] << 0);
  308. REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
  309. REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
  310. tmp_mask = (mask_m[31] << 28)
  311. | (mask_m[32] << 26) | (mask_m[33] << 24)
  312. | (mask_m[34] << 22) | (mask_m[35] << 20)
  313. | (mask_m[36] << 18) | (mask_m[37] << 16)
  314. | (mask_m[48] << 14) | (mask_m[39] << 12)
  315. | (mask_m[40] << 10) | (mask_m[41] << 8)
  316. | (mask_m[42] << 6) | (mask_m[43] << 4)
  317. | (mask_m[44] << 2) | (mask_m[45] << 0);
  318. REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
  319. REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
  320. tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
  321. | (mask_m[18] << 26) | (mask_m[18] << 24)
  322. | (mask_m[20] << 22) | (mask_m[20] << 20)
  323. | (mask_m[22] << 18) | (mask_m[22] << 16)
  324. | (mask_m[24] << 14) | (mask_m[24] << 12)
  325. | (mask_m[25] << 10) | (mask_m[26] << 8)
  326. | (mask_m[27] << 6) | (mask_m[28] << 4)
  327. | (mask_m[29] << 2) | (mask_m[30] << 0);
  328. REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
  329. REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
  330. tmp_mask = (mask_m[0] << 30) | (mask_m[1] << 28)
  331. | (mask_m[2] << 26) | (mask_m[3] << 24)
  332. | (mask_m[4] << 22) | (mask_m[5] << 20)
  333. | (mask_m[6] << 18) | (mask_m[7] << 16)
  334. | (mask_m[8] << 14) | (mask_m[9] << 12)
  335. | (mask_m[10] << 10) | (mask_m[11] << 8)
  336. | (mask_m[12] << 6) | (mask_m[13] << 4)
  337. | (mask_m[14] << 2) | (mask_m[15] << 0);
  338. REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
  339. REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
  340. tmp_mask = (mask_p[15] << 28)
  341. | (mask_p[14] << 26) | (mask_p[13] << 24)
  342. | (mask_p[12] << 22) | (mask_p[11] << 20)
  343. | (mask_p[10] << 18) | (mask_p[9] << 16)
  344. | (mask_p[8] << 14) | (mask_p[7] << 12)
  345. | (mask_p[6] << 10) | (mask_p[5] << 8)
  346. | (mask_p[4] << 6) | (mask_p[3] << 4)
  347. | (mask_p[2] << 2) | (mask_p[1] << 0);
  348. REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
  349. REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
  350. tmp_mask = (mask_p[30] << 28)
  351. | (mask_p[29] << 26) | (mask_p[28] << 24)
  352. | (mask_p[27] << 22) | (mask_p[26] << 20)
  353. | (mask_p[25] << 18) | (mask_p[24] << 16)
  354. | (mask_p[23] << 14) | (mask_p[22] << 12)
  355. | (mask_p[21] << 10) | (mask_p[20] << 8)
  356. | (mask_p[19] << 6) | (mask_p[18] << 4)
  357. | (mask_p[17] << 2) | (mask_p[16] << 0);
  358. REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
  359. REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
  360. tmp_mask = (mask_p[45] << 28)
  361. | (mask_p[44] << 26) | (mask_p[43] << 24)
  362. | (mask_p[42] << 22) | (mask_p[41] << 20)
  363. | (mask_p[40] << 18) | (mask_p[39] << 16)
  364. | (mask_p[38] << 14) | (mask_p[37] << 12)
  365. | (mask_p[36] << 10) | (mask_p[35] << 8)
  366. | (mask_p[34] << 6) | (mask_p[33] << 4)
  367. | (mask_p[32] << 2) | (mask_p[31] << 0);
  368. REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
  369. REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
  370. tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
  371. | (mask_p[59] << 26) | (mask_p[58] << 24)
  372. | (mask_p[57] << 22) | (mask_p[56] << 20)
  373. | (mask_p[55] << 18) | (mask_p[54] << 16)
  374. | (mask_p[53] << 14) | (mask_p[52] << 12)
  375. | (mask_p[51] << 10) | (mask_p[50] << 8)
  376. | (mask_p[49] << 6) | (mask_p[48] << 4)
  377. | (mask_p[47] << 2) | (mask_p[46] << 0);
  378. REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
  379. REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
  380. }
  381. /**
  382. * ar5008_hw_rf_alloc_ext_banks - allocates banks for external radio programming
  383. * @ah: atheros hardware structure
  384. *
  385. * Only required for older devices with external AR2133/AR5133 radios.
  386. */
  387. static int ar5008_hw_rf_alloc_ext_banks(struct ath_hw *ah)
  388. {
  389. #define ATH_ALLOC_BANK(bank, size) do { \
  390. bank = kzalloc((sizeof(u32) * size), GFP_KERNEL); \
  391. if (!bank) { \
  392. ath_err(common, "Cannot allocate RF banks\n"); \
  393. return -ENOMEM; \
  394. } \
  395. } while (0);
  396. struct ath_common *common = ath9k_hw_common(ah);
  397. BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
  398. ATH_ALLOC_BANK(ah->analogBank0Data, ah->iniBank0.ia_rows);
  399. ATH_ALLOC_BANK(ah->analogBank1Data, ah->iniBank1.ia_rows);
  400. ATH_ALLOC_BANK(ah->analogBank2Data, ah->iniBank2.ia_rows);
  401. ATH_ALLOC_BANK(ah->analogBank3Data, ah->iniBank3.ia_rows);
  402. ATH_ALLOC_BANK(ah->analogBank6Data, ah->iniBank6.ia_rows);
  403. ATH_ALLOC_BANK(ah->analogBank6TPCData, ah->iniBank6TPC.ia_rows);
  404. ATH_ALLOC_BANK(ah->analogBank7Data, ah->iniBank7.ia_rows);
  405. ATH_ALLOC_BANK(ah->addac5416_21,
  406. ah->iniAddac.ia_rows * ah->iniAddac.ia_columns);
  407. ATH_ALLOC_BANK(ah->bank6Temp, ah->iniBank6.ia_rows);
  408. return 0;
  409. #undef ATH_ALLOC_BANK
  410. }
  411. /**
  412. * ar5008_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
  413. * @ah: atheros hardware struture
  414. * For the external AR2133/AR5133 radios banks.
  415. */
  416. static void ar5008_hw_rf_free_ext_banks(struct ath_hw *ah)
  417. {
  418. #define ATH_FREE_BANK(bank) do { \
  419. kfree(bank); \
  420. bank = NULL; \
  421. } while (0);
  422. BUG_ON(AR_SREV_9280_20_OR_LATER(ah));
  423. ATH_FREE_BANK(ah->analogBank0Data);
  424. ATH_FREE_BANK(ah->analogBank1Data);
  425. ATH_FREE_BANK(ah->analogBank2Data);
  426. ATH_FREE_BANK(ah->analogBank3Data);
  427. ATH_FREE_BANK(ah->analogBank6Data);
  428. ATH_FREE_BANK(ah->analogBank6TPCData);
  429. ATH_FREE_BANK(ah->analogBank7Data);
  430. ATH_FREE_BANK(ah->addac5416_21);
  431. ATH_FREE_BANK(ah->bank6Temp);
  432. #undef ATH_FREE_BANK
  433. }
  434. /* *
  435. * ar5008_hw_set_rf_regs - programs rf registers based on EEPROM
  436. * @ah: atheros hardware structure
  437. * @chan:
  438. * @modesIndex:
  439. *
  440. * Used for the external AR2133/AR5133 radios.
  441. *
  442. * Reads the EEPROM header info from the device structure and programs
  443. * all rf registers. This routine requires access to the analog
  444. * rf device. This is not required for single-chip devices.
  445. */
  446. static bool ar5008_hw_set_rf_regs(struct ath_hw *ah,
  447. struct ath9k_channel *chan,
  448. u16 modesIndex)
  449. {
  450. u32 eepMinorRev;
  451. u32 ob5GHz = 0, db5GHz = 0;
  452. u32 ob2GHz = 0, db2GHz = 0;
  453. int regWrites = 0;
  454. /*
  455. * Software does not need to program bank data
  456. * for single chip devices, that is AR9280 or anything
  457. * after that.
  458. */
  459. if (AR_SREV_9280_20_OR_LATER(ah))
  460. return true;
  461. /* Setup rf parameters */
  462. eepMinorRev = ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV);
  463. /* Setup Bank 0 Write */
  464. RF_BANK_SETUP(ah->analogBank0Data, &ah->iniBank0, 1);
  465. /* Setup Bank 1 Write */
  466. RF_BANK_SETUP(ah->analogBank1Data, &ah->iniBank1, 1);
  467. /* Setup Bank 2 Write */
  468. RF_BANK_SETUP(ah->analogBank2Data, &ah->iniBank2, 1);
  469. /* Setup Bank 6 Write */
  470. RF_BANK_SETUP(ah->analogBank3Data, &ah->iniBank3,
  471. modesIndex);
  472. {
  473. int i;
  474. for (i = 0; i < ah->iniBank6TPC.ia_rows; i++) {
  475. ah->analogBank6Data[i] =
  476. INI_RA(&ah->iniBank6TPC, i, modesIndex);
  477. }
  478. }
  479. /* Only the 5 or 2 GHz OB/DB need to be set for a mode */
  480. if (eepMinorRev >= 2) {
  481. if (IS_CHAN_2GHZ(chan)) {
  482. ob2GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_2);
  483. db2GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_2);
  484. ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
  485. ob2GHz, 3, 197, 0);
  486. ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
  487. db2GHz, 3, 194, 0);
  488. } else {
  489. ob5GHz = ah->eep_ops->get_eeprom(ah, EEP_OB_5);
  490. db5GHz = ah->eep_ops->get_eeprom(ah, EEP_DB_5);
  491. ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
  492. ob5GHz, 3, 203, 0);
  493. ar5008_hw_phy_modify_rx_buffer(ah->analogBank6Data,
  494. db5GHz, 3, 200, 0);
  495. }
  496. }
  497. /* Setup Bank 7 Setup */
  498. RF_BANK_SETUP(ah->analogBank7Data, &ah->iniBank7, 1);
  499. /* Write Analog registers */
  500. REG_WRITE_RF_ARRAY(&ah->iniBank0, ah->analogBank0Data,
  501. regWrites);
  502. REG_WRITE_RF_ARRAY(&ah->iniBank1, ah->analogBank1Data,
  503. regWrites);
  504. REG_WRITE_RF_ARRAY(&ah->iniBank2, ah->analogBank2Data,
  505. regWrites);
  506. REG_WRITE_RF_ARRAY(&ah->iniBank3, ah->analogBank3Data,
  507. regWrites);
  508. REG_WRITE_RF_ARRAY(&ah->iniBank6TPC, ah->analogBank6Data,
  509. regWrites);
  510. REG_WRITE_RF_ARRAY(&ah->iniBank7, ah->analogBank7Data,
  511. regWrites);
  512. return true;
  513. }
  514. static void ar5008_hw_init_bb(struct ath_hw *ah,
  515. struct ath9k_channel *chan)
  516. {
  517. u32 synthDelay;
  518. synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
  519. if (IS_CHAN_B(chan))
  520. synthDelay = (4 * synthDelay) / 22;
  521. else
  522. synthDelay /= 10;
  523. REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
  524. udelay(synthDelay + BASE_ACTIVATE_DELAY);
  525. }
  526. static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
  527. {
  528. int rx_chainmask, tx_chainmask;
  529. rx_chainmask = ah->rxchainmask;
  530. tx_chainmask = ah->txchainmask;
  531. switch (rx_chainmask) {
  532. case 0x5:
  533. REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
  534. AR_PHY_SWAP_ALT_CHAIN);
  535. case 0x3:
  536. if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
  537. REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
  538. REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
  539. break;
  540. }
  541. case 0x1:
  542. case 0x2:
  543. case 0x7:
  544. ENABLE_REGWRITE_BUFFER(ah);
  545. REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
  546. REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
  547. break;
  548. default:
  549. ENABLE_REGWRITE_BUFFER(ah);
  550. break;
  551. }
  552. REG_WRITE(ah, AR_SELFGEN_MASK, tx_chainmask);
  553. REGWRITE_BUFFER_FLUSH(ah);
  554. if (tx_chainmask == 0x5) {
  555. REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
  556. AR_PHY_SWAP_ALT_CHAIN);
  557. }
  558. if (AR_SREV_9100(ah))
  559. REG_WRITE(ah, AR_PHY_ANALOG_SWAP,
  560. REG_READ(ah, AR_PHY_ANALOG_SWAP) | 0x00000001);
  561. }
  562. static void ar5008_hw_override_ini(struct ath_hw *ah,
  563. struct ath9k_channel *chan)
  564. {
  565. u32 val;
  566. /*
  567. * Set the RX_ABORT and RX_DIS and clear if off only after
  568. * RXE is set for MAC. This prevents frames with corrupted
  569. * descriptor status.
  570. */
  571. REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
  572. if (AR_SREV_9280_20_OR_LATER(ah)) {
  573. val = REG_READ(ah, AR_PCU_MISC_MODE2);
  574. if (!AR_SREV_9271(ah))
  575. val &= ~AR_PCU_MISC_MODE2_HWWAR1;
  576. if (AR_SREV_9287_11_OR_LATER(ah))
  577. val = val & (~AR_PCU_MISC_MODE2_HWWAR2);
  578. REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
  579. }
  580. if (!AR_SREV_5416_20_OR_LATER(ah) ||
  581. AR_SREV_9280_20_OR_LATER(ah))
  582. return;
  583. /*
  584. * Disable BB clock gating
  585. * Necessary to avoid issues on AR5416 2.0
  586. */
  587. REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
  588. /*
  589. * Disable RIFS search on some chips to avoid baseband
  590. * hang issues.
  591. */
  592. if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) {
  593. val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS);
  594. val &= ~AR_PHY_RIFS_INIT_DELAY;
  595. REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val);
  596. }
  597. }
  598. static void ar5008_hw_set_channel_regs(struct ath_hw *ah,
  599. struct ath9k_channel *chan)
  600. {
  601. u32 phymode;
  602. u32 enableDacFifo = 0;
  603. if (AR_SREV_9285_12_OR_LATER(ah))
  604. enableDacFifo = (REG_READ(ah, AR_PHY_TURBO) &
  605. AR_PHY_FC_ENABLE_DAC_FIFO);
  606. phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
  607. | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH | enableDacFifo;
  608. if (IS_CHAN_HT40(chan)) {
  609. phymode |= AR_PHY_FC_DYN2040_EN;
  610. if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
  611. (chan->chanmode == CHANNEL_G_HT40PLUS))
  612. phymode |= AR_PHY_FC_DYN2040_PRI_CH;
  613. }
  614. REG_WRITE(ah, AR_PHY_TURBO, phymode);
  615. ath9k_hw_set11nmac2040(ah);
  616. ENABLE_REGWRITE_BUFFER(ah);
  617. REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S);
  618. REG_WRITE(ah, AR_CST, 0xF << AR_CST_TIMEOUT_LIMIT_S);
  619. REGWRITE_BUFFER_FLUSH(ah);
  620. }
  621. static int ar5008_hw_process_ini(struct ath_hw *ah,
  622. struct ath9k_channel *chan)
  623. {
  624. struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
  625. int i, regWrites = 0;
  626. struct ieee80211_channel *channel = chan->chan;
  627. u32 modesIndex, freqIndex;
  628. switch (chan->chanmode) {
  629. case CHANNEL_A:
  630. case CHANNEL_A_HT20:
  631. modesIndex = 1;
  632. freqIndex = 1;
  633. break;
  634. case CHANNEL_A_HT40PLUS:
  635. case CHANNEL_A_HT40MINUS:
  636. modesIndex = 2;
  637. freqIndex = 1;
  638. break;
  639. case CHANNEL_G:
  640. case CHANNEL_G_HT20:
  641. case CHANNEL_B:
  642. modesIndex = 4;
  643. freqIndex = 2;
  644. break;
  645. case CHANNEL_G_HT40PLUS:
  646. case CHANNEL_G_HT40MINUS:
  647. modesIndex = 3;
  648. freqIndex = 2;
  649. break;
  650. default:
  651. return -EINVAL;
  652. }
  653. /*
  654. * Set correct baseband to analog shift setting to
  655. * access analog chips.
  656. */
  657. REG_WRITE(ah, AR_PHY(0), 0x00000007);
  658. /* Write ADDAC shifts */
  659. REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
  660. ah->eep_ops->set_addac(ah, chan);
  661. if (AR_SREV_5416_22_OR_LATER(ah)) {
  662. REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
  663. } else {
  664. struct ar5416IniArray temp;
  665. u32 addacSize =
  666. sizeof(u32) * ah->iniAddac.ia_rows *
  667. ah->iniAddac.ia_columns;
  668. /* For AR5416 2.0/2.1 */
  669. memcpy(ah->addac5416_21,
  670. ah->iniAddac.ia_array, addacSize);
  671. /* override CLKDRV value at [row, column] = [31, 1] */
  672. (ah->addac5416_21)[31 * ah->iniAddac.ia_columns + 1] = 0;
  673. temp.ia_array = ah->addac5416_21;
  674. temp.ia_columns = ah->iniAddac.ia_columns;
  675. temp.ia_rows = ah->iniAddac.ia_rows;
  676. REG_WRITE_ARRAY(&temp, 1, regWrites);
  677. }
  678. REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
  679. ENABLE_REGWRITE_BUFFER(ah);
  680. for (i = 0; i < ah->iniModes.ia_rows; i++) {
  681. u32 reg = INI_RA(&ah->iniModes, i, 0);
  682. u32 val = INI_RA(&ah->iniModes, i, modesIndex);
  683. if (reg == AR_AN_TOP2 && ah->need_an_top2_fixup)
  684. val &= ~AR_AN_TOP2_PWDCLKIND;
  685. REG_WRITE(ah, reg, val);
  686. if (reg >= 0x7800 && reg < 0x78a0
  687. && ah->config.analog_shiftreg) {
  688. udelay(100);
  689. }
  690. DO_DELAY(regWrites);
  691. }
  692. REGWRITE_BUFFER_FLUSH(ah);
  693. if (AR_SREV_9280(ah) || AR_SREV_9287_11_OR_LATER(ah))
  694. REG_WRITE_ARRAY(&ah->iniModesRxGain, modesIndex, regWrites);
  695. if (AR_SREV_9280(ah) || AR_SREV_9285_12_OR_LATER(ah) ||
  696. AR_SREV_9287_11_OR_LATER(ah))
  697. REG_WRITE_ARRAY(&ah->iniModesTxGain, modesIndex, regWrites);
  698. if (AR_SREV_9271_10(ah))
  699. REG_WRITE_ARRAY(&ah->iniModes_9271_1_0_only,
  700. modesIndex, regWrites);
  701. ENABLE_REGWRITE_BUFFER(ah);
  702. /* Write common array parameters */
  703. for (i = 0; i < ah->iniCommon.ia_rows; i++) {
  704. u32 reg = INI_RA(&ah->iniCommon, i, 0);
  705. u32 val = INI_RA(&ah->iniCommon, i, 1);
  706. REG_WRITE(ah, reg, val);
  707. if (reg >= 0x7800 && reg < 0x78a0
  708. && ah->config.analog_shiftreg) {
  709. udelay(100);
  710. }
  711. DO_DELAY(regWrites);
  712. }
  713. REGWRITE_BUFFER_FLUSH(ah);
  714. if (AR_SREV_9271(ah)) {
  715. if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) == 1)
  716. REG_WRITE_ARRAY(&ah->iniModes_high_power_tx_gain_9271,
  717. modesIndex, regWrites);
  718. else
  719. REG_WRITE_ARRAY(&ah->iniModes_normal_power_tx_gain_9271,
  720. modesIndex, regWrites);
  721. }
  722. REG_WRITE_ARRAY(&ah->iniBB_RfGain, freqIndex, regWrites);
  723. if (IS_CHAN_A_FAST_CLOCK(ah, chan)) {
  724. REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex,
  725. regWrites);
  726. }
  727. ar5008_hw_override_ini(ah, chan);
  728. ar5008_hw_set_channel_regs(ah, chan);
  729. ar5008_hw_init_chain_masks(ah);
  730. ath9k_olc_init(ah);
  731. /* Set TX power */
  732. ah->eep_ops->set_txpower(ah, chan,
  733. ath9k_regd_get_ctl(regulatory, chan),
  734. channel->max_antenna_gain * 2,
  735. channel->max_power * 2,
  736. min((u32) MAX_RATE_POWER,
  737. (u32) regulatory->power_limit), false);
  738. /* Write analog registers */
  739. if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
  740. ath_err(ath9k_hw_common(ah), "ar5416SetRfRegs failed\n");
  741. return -EIO;
  742. }
  743. return 0;
  744. }
  745. static void ar5008_hw_set_rfmode(struct ath_hw *ah, struct ath9k_channel *chan)
  746. {
  747. u32 rfMode = 0;
  748. if (chan == NULL)
  749. return;
  750. rfMode |= (IS_CHAN_B(chan) || IS_CHAN_G(chan))
  751. ? AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
  752. if (!AR_SREV_9280_20_OR_LATER(ah))
  753. rfMode |= (IS_CHAN_5GHZ(chan)) ?
  754. AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
  755. if (IS_CHAN_A_FAST_CLOCK(ah, chan))
  756. rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
  757. REG_WRITE(ah, AR_PHY_MODE, rfMode);
  758. }
  759. static void ar5008_hw_mark_phy_inactive(struct ath_hw *ah)
  760. {
  761. REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
  762. }
  763. static void ar5008_hw_set_delta_slope(struct ath_hw *ah,
  764. struct ath9k_channel *chan)
  765. {
  766. u32 coef_scaled, ds_coef_exp, ds_coef_man;
  767. u32 clockMhzScaled = 0x64000000;
  768. struct chan_centers centers;
  769. if (IS_CHAN_HALF_RATE(chan))
  770. clockMhzScaled = clockMhzScaled >> 1;
  771. else if (IS_CHAN_QUARTER_RATE(chan))
  772. clockMhzScaled = clockMhzScaled >> 2;
  773. ath9k_hw_get_channel_centers(ah, chan, &centers);
  774. coef_scaled = clockMhzScaled / centers.synth_center;
  775. ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
  776. &ds_coef_exp);
  777. REG_RMW_FIELD(ah, AR_PHY_TIMING3,
  778. AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
  779. REG_RMW_FIELD(ah, AR_PHY_TIMING3,
  780. AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
  781. coef_scaled = (9 * coef_scaled) / 10;
  782. ath9k_hw_get_delta_slope_vals(ah, coef_scaled, &ds_coef_man,
  783. &ds_coef_exp);
  784. REG_RMW_FIELD(ah, AR_PHY_HALFGI,
  785. AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
  786. REG_RMW_FIELD(ah, AR_PHY_HALFGI,
  787. AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
  788. }
  789. static bool ar5008_hw_rfbus_req(struct ath_hw *ah)
  790. {
  791. REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_EN);
  792. return ath9k_hw_wait(ah, AR_PHY_RFBUS_GRANT, AR_PHY_RFBUS_GRANT_EN,
  793. AR_PHY_RFBUS_GRANT_EN, AH_WAIT_TIMEOUT);
  794. }
  795. static void ar5008_hw_rfbus_done(struct ath_hw *ah)
  796. {
  797. u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
  798. if (IS_CHAN_B(ah->curchan))
  799. synthDelay = (4 * synthDelay) / 22;
  800. else
  801. synthDelay /= 10;
  802. udelay(synthDelay + BASE_ACTIVATE_DELAY);
  803. REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
  804. }
  805. static void ar5008_restore_chainmask(struct ath_hw *ah)
  806. {
  807. int rx_chainmask = ah->rxchainmask;
  808. if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) {
  809. REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx_chainmask);
  810. REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx_chainmask);
  811. }
  812. }
  813. static void ar5008_set_diversity(struct ath_hw *ah, bool value)
  814. {
  815. u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
  816. if (value)
  817. v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
  818. else
  819. v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
  820. REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
  821. }
  822. static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
  823. struct ath9k_channel *chan)
  824. {
  825. if (chan && IS_CHAN_5GHZ(chan))
  826. return 0x1450;
  827. return 0x1458;
  828. }
  829. static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
  830. struct ath9k_channel *chan)
  831. {
  832. u32 pll;
  833. pll = SM(0x5, AR_RTC_9160_PLL_REFDIV);
  834. if (chan && IS_CHAN_HALF_RATE(chan))
  835. pll |= SM(0x1, AR_RTC_9160_PLL_CLKSEL);
  836. else if (chan && IS_CHAN_QUARTER_RATE(chan))
  837. pll |= SM(0x2, AR_RTC_9160_PLL_CLKSEL);
  838. if (chan && IS_CHAN_5GHZ(chan))
  839. pll |= SM(0x50, AR_RTC_9160_PLL_DIV);
  840. else
  841. pll |= SM(0x58, AR_RTC_9160_PLL_DIV);
  842. return pll;
  843. }
  844. static u32 ar5008_hw_compute_pll_control(struct ath_hw *ah,
  845. struct ath9k_channel *chan)
  846. {
  847. u32 pll;
  848. pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
  849. if (chan && IS_CHAN_HALF_RATE(chan))
  850. pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
  851. else if (chan && IS_CHAN_QUARTER_RATE(chan))
  852. pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
  853. if (chan && IS_CHAN_5GHZ(chan))
  854. pll |= SM(0xa, AR_RTC_PLL_DIV);
  855. else
  856. pll |= SM(0xb, AR_RTC_PLL_DIV);
  857. return pll;
  858. }
  859. static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
  860. enum ath9k_ani_cmd cmd,
  861. int param)
  862. {
  863. struct ar5416AniState *aniState = &ah->curchan->ani;
  864. struct ath_common *common = ath9k_hw_common(ah);
  865. switch (cmd & ah->ani_function) {
  866. case ATH9K_ANI_NOISE_IMMUNITY_LEVEL:{
  867. u32 level = param;
  868. if (level >= ARRAY_SIZE(ah->totalSizeDesired)) {
  869. ath_dbg(common, ATH_DBG_ANI,
  870. "level out of range (%u > %zu)\n",
  871. level, ARRAY_SIZE(ah->totalSizeDesired));
  872. return false;
  873. }
  874. REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ,
  875. AR_PHY_DESIRED_SZ_TOT_DES,
  876. ah->totalSizeDesired[level]);
  877. REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
  878. AR_PHY_AGC_CTL1_COARSE_LOW,
  879. ah->coarse_low[level]);
  880. REG_RMW_FIELD(ah, AR_PHY_AGC_CTL1,
  881. AR_PHY_AGC_CTL1_COARSE_HIGH,
  882. ah->coarse_high[level]);
  883. REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
  884. AR_PHY_FIND_SIG_FIRPWR,
  885. ah->firpwr[level]);
  886. if (level > aniState->noiseImmunityLevel)
  887. ah->stats.ast_ani_niup++;
  888. else if (level < aniState->noiseImmunityLevel)
  889. ah->stats.ast_ani_nidown++;
  890. aniState->noiseImmunityLevel = level;
  891. break;
  892. }
  893. case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
  894. static const int m1ThreshLow[] = { 127, 50 };
  895. static const int m2ThreshLow[] = { 127, 40 };
  896. static const int m1Thresh[] = { 127, 0x4d };
  897. static const int m2Thresh[] = { 127, 0x40 };
  898. static const int m2CountThr[] = { 31, 16 };
  899. static const int m2CountThrLow[] = { 63, 48 };
  900. u32 on = param ? 1 : 0;
  901. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  902. AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
  903. m1ThreshLow[on]);
  904. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  905. AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
  906. m2ThreshLow[on]);
  907. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  908. AR_PHY_SFCORR_M1_THRESH,
  909. m1Thresh[on]);
  910. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  911. AR_PHY_SFCORR_M2_THRESH,
  912. m2Thresh[on]);
  913. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  914. AR_PHY_SFCORR_M2COUNT_THR,
  915. m2CountThr[on]);
  916. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  917. AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
  918. m2CountThrLow[on]);
  919. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  920. AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
  921. m1ThreshLow[on]);
  922. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  923. AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
  924. m2ThreshLow[on]);
  925. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  926. AR_PHY_SFCORR_EXT_M1_THRESH,
  927. m1Thresh[on]);
  928. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  929. AR_PHY_SFCORR_EXT_M2_THRESH,
  930. m2Thresh[on]);
  931. if (on)
  932. REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
  933. AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
  934. else
  935. REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
  936. AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
  937. if (!on != aniState->ofdmWeakSigDetectOff) {
  938. if (on)
  939. ah->stats.ast_ani_ofdmon++;
  940. else
  941. ah->stats.ast_ani_ofdmoff++;
  942. aniState->ofdmWeakSigDetectOff = !on;
  943. }
  944. break;
  945. }
  946. case ATH9K_ANI_CCK_WEAK_SIGNAL_THR:{
  947. static const int weakSigThrCck[] = { 8, 6 };
  948. u32 high = param ? 1 : 0;
  949. REG_RMW_FIELD(ah, AR_PHY_CCK_DETECT,
  950. AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK,
  951. weakSigThrCck[high]);
  952. if (high != aniState->cckWeakSigThreshold) {
  953. if (high)
  954. ah->stats.ast_ani_cckhigh++;
  955. else
  956. ah->stats.ast_ani_ccklow++;
  957. aniState->cckWeakSigThreshold = high;
  958. }
  959. break;
  960. }
  961. case ATH9K_ANI_FIRSTEP_LEVEL:{
  962. static const int firstep[] = { 0, 4, 8 };
  963. u32 level = param;
  964. if (level >= ARRAY_SIZE(firstep)) {
  965. ath_dbg(common, ATH_DBG_ANI,
  966. "level out of range (%u > %zu)\n",
  967. level, ARRAY_SIZE(firstep));
  968. return false;
  969. }
  970. REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
  971. AR_PHY_FIND_SIG_FIRSTEP,
  972. firstep[level]);
  973. if (level > aniState->firstepLevel)
  974. ah->stats.ast_ani_stepup++;
  975. else if (level < aniState->firstepLevel)
  976. ah->stats.ast_ani_stepdown++;
  977. aniState->firstepLevel = level;
  978. break;
  979. }
  980. case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
  981. static const int cycpwrThr1[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
  982. u32 level = param;
  983. if (level >= ARRAY_SIZE(cycpwrThr1)) {
  984. ath_dbg(common, ATH_DBG_ANI,
  985. "level out of range (%u > %zu)\n",
  986. level, ARRAY_SIZE(cycpwrThr1));
  987. return false;
  988. }
  989. REG_RMW_FIELD(ah, AR_PHY_TIMING5,
  990. AR_PHY_TIMING5_CYCPWR_THR1,
  991. cycpwrThr1[level]);
  992. if (level > aniState->spurImmunityLevel)
  993. ah->stats.ast_ani_spurup++;
  994. else if (level < aniState->spurImmunityLevel)
  995. ah->stats.ast_ani_spurdown++;
  996. aniState->spurImmunityLevel = level;
  997. break;
  998. }
  999. case ATH9K_ANI_PRESENT:
  1000. break;
  1001. default:
  1002. ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
  1003. return false;
  1004. }
  1005. ath_dbg(common, ATH_DBG_ANI, "ANI parameters:\n");
  1006. ath_dbg(common, ATH_DBG_ANI,
  1007. "noiseImmunityLevel=%d, spurImmunityLevel=%d, ofdmWeakSigDetectOff=%d\n",
  1008. aniState->noiseImmunityLevel,
  1009. aniState->spurImmunityLevel,
  1010. !aniState->ofdmWeakSigDetectOff);
  1011. ath_dbg(common, ATH_DBG_ANI,
  1012. "cckWeakSigThreshold=%d, firstepLevel=%d, listenTime=%d\n",
  1013. aniState->cckWeakSigThreshold,
  1014. aniState->firstepLevel,
  1015. aniState->listenTime);
  1016. ath_dbg(common, ATH_DBG_ANI,
  1017. "ofdmPhyErrCount=%d, cckPhyErrCount=%d\n\n",
  1018. aniState->ofdmPhyErrCount,
  1019. aniState->cckPhyErrCount);
  1020. return true;
  1021. }
  1022. static bool ar5008_hw_ani_control_new(struct ath_hw *ah,
  1023. enum ath9k_ani_cmd cmd,
  1024. int param)
  1025. {
  1026. struct ath_common *common = ath9k_hw_common(ah);
  1027. struct ath9k_channel *chan = ah->curchan;
  1028. struct ar5416AniState *aniState = &chan->ani;
  1029. s32 value, value2;
  1030. switch (cmd & ah->ani_function) {
  1031. case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
  1032. /*
  1033. * on == 1 means ofdm weak signal detection is ON
  1034. * on == 1 is the default, for less noise immunity
  1035. *
  1036. * on == 0 means ofdm weak signal detection is OFF
  1037. * on == 0 means more noise imm
  1038. */
  1039. u32 on = param ? 1 : 0;
  1040. /*
  1041. * make register setting for default
  1042. * (weak sig detect ON) come from INI file
  1043. */
  1044. int m1ThreshLow = on ?
  1045. aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
  1046. int m2ThreshLow = on ?
  1047. aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
  1048. int m1Thresh = on ?
  1049. aniState->iniDef.m1Thresh : m1Thresh_off;
  1050. int m2Thresh = on ?
  1051. aniState->iniDef.m2Thresh : m2Thresh_off;
  1052. int m2CountThr = on ?
  1053. aniState->iniDef.m2CountThr : m2CountThr_off;
  1054. int m2CountThrLow = on ?
  1055. aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
  1056. int m1ThreshLowExt = on ?
  1057. aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
  1058. int m2ThreshLowExt = on ?
  1059. aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
  1060. int m1ThreshExt = on ?
  1061. aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
  1062. int m2ThreshExt = on ?
  1063. aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
  1064. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  1065. AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
  1066. m1ThreshLow);
  1067. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  1068. AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
  1069. m2ThreshLow);
  1070. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  1071. AR_PHY_SFCORR_M1_THRESH, m1Thresh);
  1072. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  1073. AR_PHY_SFCORR_M2_THRESH, m2Thresh);
  1074. REG_RMW_FIELD(ah, AR_PHY_SFCORR,
  1075. AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
  1076. REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
  1077. AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
  1078. m2CountThrLow);
  1079. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  1080. AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
  1081. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  1082. AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
  1083. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  1084. AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
  1085. REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
  1086. AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
  1087. if (on)
  1088. REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
  1089. AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
  1090. else
  1091. REG_CLR_BIT(ah, AR_PHY_SFCORR_LOW,
  1092. AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
  1093. if (!on != aniState->ofdmWeakSigDetectOff) {
  1094. ath_dbg(common, ATH_DBG_ANI,
  1095. "** ch %d: ofdm weak signal: %s=>%s\n",
  1096. chan->channel,
  1097. !aniState->ofdmWeakSigDetectOff ?
  1098. "on" : "off",
  1099. on ? "on" : "off");
  1100. if (on)
  1101. ah->stats.ast_ani_ofdmon++;
  1102. else
  1103. ah->stats.ast_ani_ofdmoff++;
  1104. aniState->ofdmWeakSigDetectOff = !on;
  1105. }
  1106. break;
  1107. }
  1108. case ATH9K_ANI_FIRSTEP_LEVEL:{
  1109. u32 level = param;
  1110. if (level >= ARRAY_SIZE(firstep_table)) {
  1111. ath_dbg(common, ATH_DBG_ANI,
  1112. "ATH9K_ANI_FIRSTEP_LEVEL: level out of range (%u > %zu)\n",
  1113. level, ARRAY_SIZE(firstep_table));
  1114. return false;
  1115. }
  1116. /*
  1117. * make register setting relative to default
  1118. * from INI file & cap value
  1119. */
  1120. value = firstep_table[level] -
  1121. firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
  1122. aniState->iniDef.firstep;
  1123. if (value < ATH9K_SIG_FIRSTEP_SETTING_MIN)
  1124. value = ATH9K_SIG_FIRSTEP_SETTING_MIN;
  1125. if (value > ATH9K_SIG_FIRSTEP_SETTING_MAX)
  1126. value = ATH9K_SIG_FIRSTEP_SETTING_MAX;
  1127. REG_RMW_FIELD(ah, AR_PHY_FIND_SIG,
  1128. AR_PHY_FIND_SIG_FIRSTEP,
  1129. value);
  1130. /*
  1131. * we need to set first step low register too
  1132. * make register setting relative to default
  1133. * from INI file & cap value
  1134. */
  1135. value2 = firstep_table[level] -
  1136. firstep_table[ATH9K_ANI_FIRSTEP_LVL_NEW] +
  1137. aniState->iniDef.firstepLow;
  1138. if (value2 < ATH9K_SIG_FIRSTEP_SETTING_MIN)
  1139. value2 = ATH9K_SIG_FIRSTEP_SETTING_MIN;
  1140. if (value2 > ATH9K_SIG_FIRSTEP_SETTING_MAX)
  1141. value2 = ATH9K_SIG_FIRSTEP_SETTING_MAX;
  1142. REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW,
  1143. AR_PHY_FIND_SIG_FIRSTEP_LOW, value2);
  1144. if (level != aniState->firstepLevel) {
  1145. ath_dbg(common, ATH_DBG_ANI,
  1146. "** ch %d: level %d=>%d[def:%d] firstep[level]=%d ini=%d\n",
  1147. chan->channel,
  1148. aniState->firstepLevel,
  1149. level,
  1150. ATH9K_ANI_FIRSTEP_LVL_NEW,
  1151. value,
  1152. aniState->iniDef.firstep);
  1153. ath_dbg(common, ATH_DBG_ANI,
  1154. "** ch %d: level %d=>%d[def:%d] firstep_low[level]=%d ini=%d\n",
  1155. chan->channel,
  1156. aniState->firstepLevel,
  1157. level,
  1158. ATH9K_ANI_FIRSTEP_LVL_NEW,
  1159. value2,
  1160. aniState->iniDef.firstepLow);
  1161. if (level > aniState->firstepLevel)
  1162. ah->stats.ast_ani_stepup++;
  1163. else if (level < aniState->firstepLevel)
  1164. ah->stats.ast_ani_stepdown++;
  1165. aniState->firstepLevel = level;
  1166. }
  1167. break;
  1168. }
  1169. case ATH9K_ANI_SPUR_IMMUNITY_LEVEL:{
  1170. u32 level = param;
  1171. if (level >= ARRAY_SIZE(cycpwrThr1_table)) {
  1172. ath_dbg(common, ATH_DBG_ANI,
  1173. "ATH9K_ANI_SPUR_IMMUNITY_LEVEL: level out of range (%u > %zu)\n",
  1174. level, ARRAY_SIZE(cycpwrThr1_table));
  1175. return false;
  1176. }
  1177. /*
  1178. * make register setting relative to default
  1179. * from INI file & cap value
  1180. */
  1181. value = cycpwrThr1_table[level] -
  1182. cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
  1183. aniState->iniDef.cycpwrThr1;
  1184. if (value < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
  1185. value = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
  1186. if (value > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
  1187. value = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
  1188. REG_RMW_FIELD(ah, AR_PHY_TIMING5,
  1189. AR_PHY_TIMING5_CYCPWR_THR1,
  1190. value);
  1191. /*
  1192. * set AR_PHY_EXT_CCA for extension channel
  1193. * make register setting relative to default
  1194. * from INI file & cap value
  1195. */
  1196. value2 = cycpwrThr1_table[level] -
  1197. cycpwrThr1_table[ATH9K_ANI_SPUR_IMMUNE_LVL_NEW] +
  1198. aniState->iniDef.cycpwrThr1Ext;
  1199. if (value2 < ATH9K_SIG_SPUR_IMM_SETTING_MIN)
  1200. value2 = ATH9K_SIG_SPUR_IMM_SETTING_MIN;
  1201. if (value2 > ATH9K_SIG_SPUR_IMM_SETTING_MAX)
  1202. value2 = ATH9K_SIG_SPUR_IMM_SETTING_MAX;
  1203. REG_RMW_FIELD(ah, AR_PHY_EXT_CCA,
  1204. AR_PHY_EXT_TIMING5_CYCPWR_THR1, value2);
  1205. if (level != aniState->spurImmunityLevel) {
  1206. ath_dbg(common, ATH_DBG_ANI,
  1207. "** ch %d: level %d=>%d[def:%d] cycpwrThr1[level]=%d ini=%d\n",
  1208. chan->channel,
  1209. aniState->spurImmunityLevel,
  1210. level,
  1211. ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
  1212. value,
  1213. aniState->iniDef.cycpwrThr1);
  1214. ath_dbg(common, ATH_DBG_ANI,
  1215. "** ch %d: level %d=>%d[def:%d] cycpwrThr1Ext[level]=%d ini=%d\n",
  1216. chan->channel,
  1217. aniState->spurImmunityLevel,
  1218. level,
  1219. ATH9K_ANI_SPUR_IMMUNE_LVL_NEW,
  1220. value2,
  1221. aniState->iniDef.cycpwrThr1Ext);
  1222. if (level > aniState->spurImmunityLevel)
  1223. ah->stats.ast_ani_spurup++;
  1224. else if (level < aniState->spurImmunityLevel)
  1225. ah->stats.ast_ani_spurdown++;
  1226. aniState->spurImmunityLevel = level;
  1227. }
  1228. break;
  1229. }
  1230. case ATH9K_ANI_MRC_CCK:
  1231. /*
  1232. * You should not see this as AR5008, AR9001, AR9002
  1233. * does not have hardware support for MRC CCK.
  1234. */
  1235. WARN_ON(1);
  1236. break;
  1237. case ATH9K_ANI_PRESENT:
  1238. break;
  1239. default:
  1240. ath_dbg(common, ATH_DBG_ANI, "invalid cmd %u\n", cmd);
  1241. return false;
  1242. }
  1243. ath_dbg(common, ATH_DBG_ANI,
  1244. "ANI parameters: SI=%d, ofdmWS=%s FS=%d MRCcck=%s listenTime=%d ofdmErrs=%d cckErrs=%d\n",
  1245. aniState->spurImmunityLevel,
  1246. !aniState->ofdmWeakSigDetectOff ? "on" : "off",
  1247. aniState->firstepLevel,
  1248. !aniState->mrcCCKOff ? "on" : "off",
  1249. aniState->listenTime,
  1250. aniState->ofdmPhyErrCount,
  1251. aniState->cckPhyErrCount);
  1252. return true;
  1253. }
  1254. static void ar5008_hw_do_getnf(struct ath_hw *ah,
  1255. int16_t nfarray[NUM_NF_READINGS])
  1256. {
  1257. int16_t nf;
  1258. nf = MS(REG_READ(ah, AR_PHY_CCA), AR_PHY_MINCCA_PWR);
  1259. nfarray[0] = sign_extend32(nf, 8);
  1260. nf = MS(REG_READ(ah, AR_PHY_CH1_CCA), AR_PHY_CH1_MINCCA_PWR);
  1261. nfarray[1] = sign_extend32(nf, 8);
  1262. nf = MS(REG_READ(ah, AR_PHY_CH2_CCA), AR_PHY_CH2_MINCCA_PWR);
  1263. nfarray[2] = sign_extend32(nf, 8);
  1264. if (!IS_CHAN_HT40(ah->curchan))
  1265. return;
  1266. nf = MS(REG_READ(ah, AR_PHY_EXT_CCA), AR_PHY_EXT_MINCCA_PWR);
  1267. nfarray[3] = sign_extend32(nf, 8);
  1268. nf = MS(REG_READ(ah, AR_PHY_CH1_EXT_CCA), AR_PHY_CH1_EXT_MINCCA_PWR);
  1269. nfarray[4] = sign_extend32(nf, 8);
  1270. nf = MS(REG_READ(ah, AR_PHY_CH2_EXT_CCA), AR_PHY_CH2_EXT_MINCCA_PWR);
  1271. nfarray[5] = sign_extend32(nf, 8);
  1272. }
  1273. /*
  1274. * Initialize the ANI register values with default (ini) values.
  1275. * This routine is called during a (full) hardware reset after
  1276. * all the registers are initialised from the INI.
  1277. */
  1278. static void ar5008_hw_ani_cache_ini_regs(struct ath_hw *ah)
  1279. {
  1280. struct ath_common *common = ath9k_hw_common(ah);
  1281. struct ath9k_channel *chan = ah->curchan;
  1282. struct ar5416AniState *aniState = &chan->ani;
  1283. struct ath9k_ani_default *iniDef;
  1284. u32 val;
  1285. iniDef = &aniState->iniDef;
  1286. ath_dbg(common, ATH_DBG_ANI, "ver %d.%d opmode %u chan %d Mhz/0x%x\n",
  1287. ah->hw_version.macVersion,
  1288. ah->hw_version.macRev,
  1289. ah->opmode,
  1290. chan->channel,
  1291. chan->channelFlags);
  1292. val = REG_READ(ah, AR_PHY_SFCORR);
  1293. iniDef->m1Thresh = MS(val, AR_PHY_SFCORR_M1_THRESH);
  1294. iniDef->m2Thresh = MS(val, AR_PHY_SFCORR_M2_THRESH);
  1295. iniDef->m2CountThr = MS(val, AR_PHY_SFCORR_M2COUNT_THR);
  1296. val = REG_READ(ah, AR_PHY_SFCORR_LOW);
  1297. iniDef->m1ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M1_THRESH_LOW);
  1298. iniDef->m2ThreshLow = MS(val, AR_PHY_SFCORR_LOW_M2_THRESH_LOW);
  1299. iniDef->m2CountThrLow = MS(val, AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW);
  1300. val = REG_READ(ah, AR_PHY_SFCORR_EXT);
  1301. iniDef->m1ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH);
  1302. iniDef->m2ThreshExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH);
  1303. iniDef->m1ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M1_THRESH_LOW);
  1304. iniDef->m2ThreshLowExt = MS(val, AR_PHY_SFCORR_EXT_M2_THRESH_LOW);
  1305. iniDef->firstep = REG_READ_FIELD(ah,
  1306. AR_PHY_FIND_SIG,
  1307. AR_PHY_FIND_SIG_FIRSTEP);
  1308. iniDef->firstepLow = REG_READ_FIELD(ah,
  1309. AR_PHY_FIND_SIG_LOW,
  1310. AR_PHY_FIND_SIG_FIRSTEP_LOW);
  1311. iniDef->cycpwrThr1 = REG_READ_FIELD(ah,
  1312. AR_PHY_TIMING5,
  1313. AR_PHY_TIMING5_CYCPWR_THR1);
  1314. iniDef->cycpwrThr1Ext = REG_READ_FIELD(ah,
  1315. AR_PHY_EXT_CCA,
  1316. AR_PHY_EXT_TIMING5_CYCPWR_THR1);
  1317. /* these levels just got reset to defaults by the INI */
  1318. aniState->spurImmunityLevel = ATH9K_ANI_SPUR_IMMUNE_LVL_NEW;
  1319. aniState->firstepLevel = ATH9K_ANI_FIRSTEP_LVL_NEW;
  1320. aniState->ofdmWeakSigDetectOff = !ATH9K_ANI_USE_OFDM_WEAK_SIG;
  1321. aniState->mrcCCKOff = true; /* not available on pre AR9003 */
  1322. }
  1323. static void ar5008_hw_set_nf_limits(struct ath_hw *ah)
  1324. {
  1325. ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
  1326. ah->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
  1327. ah->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
  1328. ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
  1329. ah->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
  1330. ah->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
  1331. }
  1332. static void ar5008_hw_set_radar_params(struct ath_hw *ah,
  1333. struct ath_hw_radar_conf *conf)
  1334. {
  1335. u32 radar_0 = 0, radar_1 = 0;
  1336. if (!conf) {
  1337. REG_CLR_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_ENA);
  1338. return;
  1339. }
  1340. radar_0 |= AR_PHY_RADAR_0_ENA | AR_PHY_RADAR_0_FFT_ENA;
  1341. radar_0 |= SM(conf->fir_power, AR_PHY_RADAR_0_FIRPWR);
  1342. radar_0 |= SM(conf->radar_rssi, AR_PHY_RADAR_0_RRSSI);
  1343. radar_0 |= SM(conf->pulse_height, AR_PHY_RADAR_0_HEIGHT);
  1344. radar_0 |= SM(conf->pulse_rssi, AR_PHY_RADAR_0_PRSSI);
  1345. radar_0 |= SM(conf->pulse_inband, AR_PHY_RADAR_0_INBAND);
  1346. radar_1 |= AR_PHY_RADAR_1_MAX_RRSSI;
  1347. radar_1 |= AR_PHY_RADAR_1_BLOCK_CHECK;
  1348. radar_1 |= SM(conf->pulse_maxlen, AR_PHY_RADAR_1_MAXLEN);
  1349. radar_1 |= SM(conf->pulse_inband_step, AR_PHY_RADAR_1_RELSTEP_THRESH);
  1350. radar_1 |= SM(conf->radar_inband, AR_PHY_RADAR_1_RELPWR_THRESH);
  1351. REG_WRITE(ah, AR_PHY_RADAR_0, radar_0);
  1352. REG_WRITE(ah, AR_PHY_RADAR_1, radar_1);
  1353. if (conf->ext_channel)
  1354. REG_SET_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
  1355. else
  1356. REG_CLR_BIT(ah, AR_PHY_RADAR_EXT, AR_PHY_RADAR_EXT_ENA);
  1357. }
  1358. static void ar5008_hw_set_radar_conf(struct ath_hw *ah)
  1359. {
  1360. struct ath_hw_radar_conf *conf = &ah->radar_conf;
  1361. conf->fir_power = -33;
  1362. conf->radar_rssi = 20;
  1363. conf->pulse_height = 10;
  1364. conf->pulse_rssi = 24;
  1365. conf->pulse_inband = 15;
  1366. conf->pulse_maxlen = 255;
  1367. conf->pulse_inband_step = 12;
  1368. conf->radar_inband = 8;
  1369. }
  1370. void ar5008_hw_attach_phy_ops(struct ath_hw *ah)
  1371. {
  1372. struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
  1373. static const u32 ar5416_cca_regs[6] = {
  1374. AR_PHY_CCA,
  1375. AR_PHY_CH1_CCA,
  1376. AR_PHY_CH2_CCA,
  1377. AR_PHY_EXT_CCA,
  1378. AR_PHY_CH1_EXT_CCA,
  1379. AR_PHY_CH2_EXT_CCA
  1380. };
  1381. priv_ops->rf_set_freq = ar5008_hw_set_channel;
  1382. priv_ops->spur_mitigate_freq = ar5008_hw_spur_mitigate;
  1383. priv_ops->rf_alloc_ext_banks = ar5008_hw_rf_alloc_ext_banks;
  1384. priv_ops->rf_free_ext_banks = ar5008_hw_rf_free_ext_banks;
  1385. priv_ops->set_rf_regs = ar5008_hw_set_rf_regs;
  1386. priv_ops->set_channel_regs = ar5008_hw_set_channel_regs;
  1387. priv_ops->init_bb = ar5008_hw_init_bb;
  1388. priv_ops->process_ini = ar5008_hw_process_ini;
  1389. priv_ops->set_rfmode = ar5008_hw_set_rfmode;
  1390. priv_ops->mark_phy_inactive = ar5008_hw_mark_phy_inactive;
  1391. priv_ops->set_delta_slope = ar5008_hw_set_delta_slope;
  1392. priv_ops->rfbus_req = ar5008_hw_rfbus_req;
  1393. priv_ops->rfbus_done = ar5008_hw_rfbus_done;
  1394. priv_ops->restore_chainmask = ar5008_restore_chainmask;
  1395. priv_ops->set_diversity = ar5008_set_diversity;
  1396. priv_ops->do_getnf = ar5008_hw_do_getnf;
  1397. priv_ops->set_radar_params = ar5008_hw_set_radar_params;
  1398. if (modparam_force_new_ani) {
  1399. priv_ops->ani_control = ar5008_hw_ani_control_new;
  1400. priv_ops->ani_cache_ini_regs = ar5008_hw_ani_cache_ini_regs;
  1401. } else
  1402. priv_ops->ani_control = ar5008_hw_ani_control_old;
  1403. if (AR_SREV_9100(ah))
  1404. priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
  1405. else if (AR_SREV_9160_10_OR_LATER(ah))
  1406. priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
  1407. else
  1408. priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
  1409. ar5008_hw_set_nf_limits(ah);
  1410. ar5008_hw_set_radar_conf(ah);
  1411. memcpy(ah->nf_regs, ar5416_cca_regs, sizeof(ah->nf_regs));
  1412. }